Update license, readme, and composer files

- Update LICENSE with proper copyright (whoops, copy/paste fail)
- Update README to point to a different Travis badge
- Add license to composer.json

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015 Steven Maguire
+Copyright (c) 2017 Help Scout
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -2,7 +2,7 @@
 
 [![Latest Version](https://img.shields.io/github/release/helpscout/oauth2-hubspot.svg?style=flat-square)](https://github.com/helpscout/oauth2-hubspot/releases)
 [![Software license](https://img.shields.io/badge/license-MIT-blue.svg?style=flat-square)](https://raw.githubusercontent.com/helpscout/oauth2-hubspot/develop/LICENSE)
-[![Build Status](https://travis-ci.org/helpscout/oauth2-hubspot.svg?branch=master&style=flat-square)](https://travis-ci.org/helpscout/oauth2-hubspot)
+[![Build Status](https://img.shields.io/travis/helpscout/oauth2-hubspot/master.svg?style=flat-square)](https://travis-ci.org/helpscout/oauth2-hubspot)
 
 This package provides a HubSpot OAuth 2.0 support for the PHP League's [OAuth 2.0 Client](https://github.com/thephpleague/oauth2-client).
 

composer.json

@@ -1,6 +1,7 @@
 {
  "name": "helpscout/oauth2-hubspot",
  "description": "HubSpot OAuth 2 Client Provider for The PHP League OAuth2-Client package",
+ "license": "MIT",
  "authors": [
  {
  "name": "Platform Group",